NASDAQ data for 8/15 to 9/14 shows shares held short have decreased by 5.5% (716K to 676K). Short shares net recall therefore averaged 18.7K per trading day or about 9.5% of average daily volume during that period. SIGA share price change was up 8.7% during that period (2.99 to 3.25). At that rate, there could be share price support at 3.50/share by mid-October. Buy now, beat the Christmas rush.